{"id":"GO-2026-5658","revision":"281a1c75a56d4574887bff1e89eb91c0","records":[{"revision":"281a1c75a56d4574887bff1e89eb91c0","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-5658","aliases":["CVE-2026-44427","GHSA-v8vw-gw5j-w7m6"],"title":"MCP Registry has open redirect via protocol-relative path in trailing-slash middleware in github.com/modelcontextprotocol/registry","description":"MCP Registry has open redirect via protocol-relative path in trailing-slash middleware in github.com/modelcontextprotocol/registry","state":0,"publishedAt":"2026-06-25T22:34:38+00:00","modifiedAt":"2026-06-25T23:01:38.7451016+00:00","affected":[{"ecosystem":"Go","name":"github.com/modelcontextprotocol/registry","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"1.1.0"},{"kind":"fixed","version":"1.7.5"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/modelcontextprotocol/registry/security/advisories/GHSA-v8vw-gw5j-w7m6","https://nvd.nist.gov/vuln/detail/CVE-2026-44427","https://github.com/modelcontextprotocol/registry/commit/1201cbd82b2cf6d4b56edfc05c763059a12f9fdb","https://github.com/modelcontextprotocol/registry/pull/1227","https://github.com/modelcontextprotocol/registry/releases/tag/v1.7.5"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-5658","license":"OSV · upstream source license applies","key":"osv:GO-2026-5658","identifiers":["GO-2026-5658","CVE-2026-44427","GHSA-v8vw-gw5j-w7m6"]},"retained":false,"historicalAffected":[]}],"coverage":[]}